Don't let Kate Hudson's giggling and big smiles fool you. This is a great, great Box of Lies competitor who sits before you. On last night's 'Tonight Show,' Hudson and host Jimmy Fallon faced off for another round of Box of Lies, a game that basically hinges on a guest's ability to lie effectively.

Yet, when it comes to Hudson, it's really just the opposite -- she's a great player because she's so good at making the truth of what's in her box sound so unreasonable and silly that Fallon assumes it has to be a lie. She's honest, but she's also a bit of a liar, and she's the best Box of Lies competitor Fallon has ever come in contact with. It isn't pretty.